Re: [Nasm-devel] [PATCH 6/7] AVX-512: Change the data type for instruction flags

[anonymous c. <nas...@us...>]

> Increased the size of data type for instruction flags from 32bits to 64bits.
> And a new type (iflags_t) is defined for better maintainability.
>
> Bigger data type is needed because more instruction set types are coming
> but there were not enough space for them. Since they are not bit masks,
> only one instruction set is allowed for each instruction.

PTEST and ROUND[PS|PD|SS|SD] were part of SSE4.1 and SSE5A.

XTEST is part of RTM and HLE.